Home / 1,104,121.20-1,655,015.40-629,785.20

Finding the Fourth Proportional to 1,104,121.20, 1,655,015.40 and 629,785.20

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Solution

The fourth proportional to 1,104,121.20, 1,655,015.40 and 629,785.20 is: 944,012.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104,121.20 : 1,655,015.40 = 629,785.20 : x
  2. Step 2: Convert to fraction form
    1,104,121.20/1,655,015.40 = 629,785.20/x
  3. Step 3: Cross multiply
    1,104,121.20x = 1,655,015.40 × 629,785.20
  4. Step 4: Simplify right side
    1,104,121.20x = 1,042,304,204,692.08
  5. Step 5: Solve for x
    x = 1,042,304,204,692.08/1,104,121.20
  6. Step 6: Final answer
    x = 944,012.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.